1,2-Bis(4-(bromomethyl)phenyl)-1,2-diphenylethene CAS 1053241-67-0
| CAS No. | 1053241-67-0 |
| Molecular Formula | C28H22Br2 |
| Molecular Weight | 518.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,2-Bis(4-(bromomethyl)phenyl)-1,2-diphenylethene.
1,2-Bis(4-(bromomethyl)phenyl)-1,2-diphenylethene (CAS 1053241-67-0), molecular formula C28H22Br2 and molecular weight 518.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1,2-Bis(4-(bromomethyl)phenyl)-1,2-diphenylethene (C28H22Br2) contains bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 518.28 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1,2-Bis(4-(bromomethyl)phenyl)-1,2-diphenylethene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C28H22Br2 |
| Molecular Weight | 518.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
Related Bis Standards
- 9,10-Bis(4-(bromomethyl)phenyl)anthracene (CAS 941703-52-2)
- 2,5-Bis(bromomethyl)-1,4-bis(octyloxy)benzene (CAS 147274-72-4)
- 2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene (CAS 187148-75-0)
- 2,2'-(2,5-Bis(bromomethyl)-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 1356822-77-9)
- 1,4-Bis(bromomethyl)-2,5-diiodobenzene (CAS 56403-29-3)
- Tris(4-(bromomethyl)phenyl)amine (CAS 100693-36-5)
- 3-(Bromomethyl)-4-methylquinolin-2(1H)-one (CAS 91348-38-8)
- 4,4',4''-Tris(bromomethyl)-2,2':6',2''-terpyridine (CAS 1309964-62-2)
Recommended Standards
- 2,3,5-TriiodoÂbenzÂoyl chloride (CAS 42860-33-3)
- 1,1′-[(1E)-1,2-Diphenyl-1,2-ethenediyl]bis[4-(bromomethyl)benzene] (CAS 1345823-47-3)
- 1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-3-[(1Z)-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]hydrazin-1-ylidene}methyl]-1H-indole (CAS 338409-94-2)
- 4,4'-(2,2-Diphenylethene-1,1-diyl)bis((bromomethyl)benzene) (CAS 1623085-88-0)
- Ethyl 6-ethyl-7-hydroxy-2-oxo-2H-chromene-3-carboxylate (CAS 84165-75-3)
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- 1138445-72-3 2-Bromo-N-{4-[(4-methyl-1-piperidinyl)sulfonyl]-phenyl}acetamide 9148AC C14H19BrN2O3S (CAS 1138445-72-3)
- 1-(2-Amino-3-chlorophenyl)-2,2,2-trifluoroethan-1-one (CAS 1414958-52-3)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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